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Finding the Fourth Proportional to 63,187.32, 87,198.18 and 34,893

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Solution

The fourth proportional to 63,187.32, 87,198.18 and 34,893 is: 48,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,187.32 : 87,198.18 = 34,893 : x
  2. Step 2: Convert to fraction form
    63,187.32/87,198.18 = 34,893/x
  3. Step 3: Cross multiply
    63,187.32x = 87,198.18 × 34,893
  4. Step 4: Simplify right side
    63,187.32x = 3,042,606,094.74
  5. Step 5: Solve for x
    x = 3,042,606,094.74/63,187.32
  6. Step 6: Final answer
    x = 48,152.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.